MFC CRichEdit改變指定地區的背景色和字型 .

注:m_richedit代表ID為IDC_RICHEDIT1的CRichEditCtrl控制項的control類型的變數

1. 如何使用richedit添加AfxInitRichEdit();
CxxxApp::InitInstance()
{
AfxInitRichEdit();
.............
}

       AfxInitRichEdit()功能：裝載 RichEdit 1.0 Control (RICHED32.DLL).

2. 改變richedit指定地區的文字顏色及字型

        CHARFORMAT cf;
ZeroMemory(&cf, sizeof(CHARFORMAT));
cf.cbSize = sizeof(CHARFORMAT);
cf.dwMask = CFM_BOLD | CFM_COLOR | CFM_FACE |
CFM_ITALIC | CFM_SIZE | CFM_UNDERLINE;
cf.dwEffects = 0;
cf.yHeight = 12*12;//文字高度
cf.crTextColor = RGB(200, 100, 255); //文字顏色
strcpy(cf.szFaceName ,_T("隸書"));//設定字型
m_richedit.SetSel(1, 5); //設定處理地區
m_richedit.SetSelectionCharFormat(cf);

3.  改變richedit指定地區的文字背景顏色

        CHARFORMAT2 cf; //聲明為CHARFORMAT2結構，詳細見MSDN
ZeroMemory(&cf, sizeof(CHARFORMAT2));
cf.cbSize = sizeof(CHARFORMAT2);
cf.dwMask = CFM_BACKCOLOR;         cf.crBackColor=RGB(0, 255, 0); //背景顏色為綠色
m_richedit.SetSel(0, 2); //設定處理地區               

m_richedit.SendMessage(EM_SETCHARFORMAT,SCF_SELECTION,(LPARAM)&cf);

 4.只修改指定地區文字的背景顏色

先指定選擇地區

m_richedit1.SetSel(0, 19); //設定處理地區

m_richedit1.HideSelection(FALSE, TRUE);//顯示選擇的地區背景 很重要

Changes the visibility of the selection.

void HideSelection( BOOL bHide, BOOL bPerm );

Parameters

bHide

Indicates if the selection should be shown or hidden, TRUE to hide the selection.

bPerm

Indicates if this change in visibility for the selection should be permanent.

Remarks

When bPerm is TRUE, it changes the
ECO_NOHIDESEL option for this CRichEditCtrl object. For a brief description of this option, see SetOptions. You can use this function to set all the options for this
CRichEditCtrl object.